Introduction
The mobile web is here. iPhones, Android phones, iPads – users access the web from dozens of devices with different screen sizes. The traditional approach of building separate mobile sites is becoming unsustainable.
Enter responsive web design, a term coined by Ethan Marcotte in his recent article on A List Apart. The idea is simple but powerful: use CSS to adapt your site's layout to the viewing device. One site, one codebase, works everywhere.